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公开(公告)号：US20140203816A1
公开(公告)日：2014-07-24
申请号：US14090967
申请日：2013-11-26
Inventor： Jialing LI , Conghua MA , Lihua WANG , Qijun YAO , Jun MA
IPC: G01R31/28
CPC classification number: G01R31/2812 , G02F1/1309 , G02F1/13338 , G06F3/0416
Abstract: A method of electrically testing an in-cell touch screen is disclosed. The in-cell touch screen includes a display electrode, a driving line, and a detecting line. The detecting line intersects the driving line. The method includes floating the display electrode and performing at least one of: A) applying a first predetermined voltage to one column of adjacent columns of the driving line or one row of adjacent rows of the driving line, and grounding the other column of the adjacent columns or the other row of the adjacent rows, and B) applying a second predetermined voltage to one column of adjacent columns of the detecting line or one row of adjacent rows of the detecting line, and grounding the other column of the adjacent columns or the other row of the adjacent rows. The method also includes determining whether the driving line or the detecting line is shorted or opened.
Abstract translation: 公开了一种电池测试触摸屏的方法。 单元内触摸屏包括显示电极，驱动线和检测线。 检测线与驱动线相交。 该方法包括使显示电极浮置并且执行以下至少一个：A）对驱动线的相邻列的一列或驱动线的相邻行的一列施加第一预定电压，并将相邻的 列或相邻行的另一行，以及B）将第二预定电压施加到检测线的相邻列的一列或检测线的一行相邻行中，并将相邻列的另一列或 相邻行的其他行。 该方法还包括确定驱动线或检测线是短路还是断开。
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公开(公告)号：US20140176490A1
公开(公告)日：2014-06-26
申请号：US14089650
申请日：2013-11-25
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Xingyao ZHOU , Qijun YAO , Lihua WANG
CPC classification number: G06F3/044 , G06F3/0412 , G09G3/36
Abstract: An in-cell touch display device is disclosed. The device includes a color filter substrate, a Thin Film Transistor array substrate, and a liquid crystal layer disposed between the color filter substrate and the Thin Film Transistor array substrate. The color filter substrate includes a grid black matrix layer, a touch layer, and a color filter layer, where the touch layer includes a plurality of metal grid electrodes. In addition, each electrode is aligned with the grid of the black matrix layer in a light transmission direction, and a density of the metal grid electrodes adjacent to the edge of the metal grid electrodes is greater than a density of the metal grid electrodes adjacent to the center of metal grid electrodes.
Abstract translation: 公开了一种体内触摸显示装置。 该装置包括滤色器基板，薄膜晶体管阵列基板和设置在滤色器基板和薄膜晶体管阵列基板之间的液晶层。 滤色器基板包括栅格黑矩阵层，触摸层和滤色器层，其中触摸层包括多个金属栅极。 此外，每个电极在透光方向上与黑矩阵层的栅格对准，并且与金属栅电极的边缘相邻的金属栅电极的密度大于邻近金属栅电极的密度 金属栅格电极的中心。
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公开(公告)号：US20250157391A1
公开(公告)日：2025-05-15
申请号：US18610409
申请日：2024-03-20
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
IPC: G09G3/32
Abstract: Pixel circuit, current source circuit and display module are provided. The pixel circuit includes a first driving branch and a data writing module. The first driving branch, connected to a light-emitting element, includes a first driving module. A control end of the first driving module is electrically connected to a first node, a first end of the first driving module is electrically connected to a voltage signal line of a first power supply, and a second end of the first driving module is electrically connected to a first electrode of a light-emitting element. A control end of the data writing module is electrically connected to a first scanning signal line, a first end of the data writing module is electrically connected to a data signal line, and a second end of the data writing module is electrically connected to the first node.
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公开(公告)号：US20250112215A1
公开(公告)日：2025-04-03
申请号：US18600811
申请日：2024-03-11
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
Inventor： Qijun YAO , Quanpeng YU
Abstract: A display panel includes an array substrate with a plurality of electrode pads formed on it. At least one electrode pad comprises a first area, a second area, and a third area. The third area connects the first area and the second area, and the first area of at least one electrode pad is equipped with a light-emitting element. A width of the third area is smaller than a width of the first area and a width of the second area, and/or a melting point of the third area is lower than a melting point of the first area or a melting point of the second area. This display panel can save a significant amount of space, facilitating the integration of functional structures and addressing the technical issue of low efficiency of space utilization in the display panel.
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公开(公告)号：US20240242664A1
公开(公告)日：2024-07-18
申请号：US18622445
申请日：2024-03-29
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Qijun YAO , Yanbo LOU , Shengtao ZHU , Yang ZENG
IPC: G09G3/32 , H01L25/075 , H01L33/44
CPC classification number: G09G3/32 , H01L25/0753 , H01L33/44 , G09G2300/0443 , G09G2300/0804 , G09G2300/0814 , G09G2310/0262 , G09G2310/061 , G09G2320/0233 , G09G2320/068 , G09G2358/00
Abstract: A display panel including a substrate; a light-emitting element; and a light-shielding layer. The light-emitting element is located at a side of the substrate and includes a primary light-emitting element and an auxiliary light-emitting element. The light-shielding layer is located at a side of the light-emitting element facing away from the substrate and includes a first opening corresponding to the primary light-emitting element. The auxiliary light-emitting element is arranged at a periphery of the primary light-emitting element.
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Patent Agency Ranking
公开(公告)号：US20220069261A1
公开(公告)日：2022-03-03
申请号：US17521834
申请日：2021-11-08
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Shihao TANG , Yang ZENG , Haochi YU , Yaodong WU , Feng LU , Qijun YAO , Jiaxian LIU , Ping AN
Abstract: Provided are a display panel and a display device, where the display panel includes a first light-emitting unit and a first color-resist block which are correspondingly disposed, where the first color-resist block includes a first display color-resist block and a first imaging color-resist block, the first light-emitting unit includes a first boundary and a second boundary which are disposed opposite to each other, the first boundary is located on a side of the second boundary near the first imaging color-resist block, the first display color-resist block includes a first edge and a second edge which are disposed opposite to each other, the first edge is located on a side of the second edge near the first imaging color-resist block, and a maximum distance between the first boundary and the first edge is greater than a maximum distance between the second boundary and the second edge.
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公开(公告)号：US20200379277A1
公开(公告)日：2020-12-03
申请号：US16670648
申请日：2019-10-31
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
IPC: G02F1/01 , G02F1/1368 , G02F1/1362 , G02F1/13363
Abstract: Display panel and display device are provided. The display panel includes a first substrate, a second substrate, and a plurality of pixel units. Each pixel unit includes a heating element, a reflective layer, a resonant cavity, and a phase-change material layer sequentially disposed on the first substrate, and a liquid crystal cell. The display panel also includes first signal lines extending along a row direction, second signal lines extending along the column direction, and a driving circuit in correspondence to each pixel unit. The driving circuit includes a first driving module and a second driving module that are connected to a same first signal line and a same second signal line. The first driving module drives the heating element to control the state of the phase-change material layer, and the second driving module controls the deflection of liquid crystal molecules in the liquid crystal cell.
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公开(公告)号：US20200272278A1
公开(公告)日：2020-08-27
申请号：US16685120
申请日：2019-11-15
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Conghua MA , Qijun YAO
IPC: G06F3/044
Abstract: A touch panel, a fabricating method, a repair method, and a touch device are provided. The touch panel includes a substrate, and a touch electrode layer, the repair lines, and repair conductive portions, on the substrate. The touch electrode layer includes a touch electrode array. The repair lines are outside the touch electrode array. In a direction perpendicular to the touch panel, at least part of touch electrodes at edges of the touch electrode array overlaps the repair conductive portions, and/or the repair conductive portions overlap at least part of repair lines.
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公开(公告)号：US20190333972A1
公开(公告)日：2019-10-31
申请号：US16169084
申请日：2018-10-24
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Hong DING , Lingxiao DU , Liang XIE , Qijun YAO
Abstract: A display panel, fabrication method, and a display device are provided. The display panel includes a display region; a substrate panel; a display function layer, in the display region and over the substrate panel; a hollow portion, penetrating through the display panel; and at least one spacer part. The spacer part includes a bottom pattern and a spacer pattern. The bottom pattern is an orthographic projection, on the substrate panel, of a bottom surface of the spacer part close to the substrate panel, and has a side edge close to the hollow portion as a first inner side edge. The spacer pattern is an orthographic projection of the spacer part on the substrate panel, and has a side edge close to the hollow portion as a second inner side edge. The second inner side edge is closer to the hollow portion than the first inner side edge.
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公开(公告)号：US20190004659A1
公开(公告)日：2019-01-03
申请号：US15723569
申请日：2017-10-03
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
IPC: G06F3/041
Abstract: Disclosed are a display panel and a display device. The display panel comprises a first substrate comprising a display region and a non-display region; a second substrate opposite to the first substrate; and a pressure sensor located on one side of the first substrate adjacent to the second substrate and located within the non-display region. The first and second substrates are adhered via a sealant, an orthogonal projection of the sealant on the first substrate is located within the non-display region of the first substrate, a distance from a midline of the sealant to a common boundary between the display region and the non-display region is larger than a distance from a geometric center of the pressure sensor to the common boundary between the display region and the non-display region. The midline of the sealant is a perpendicular bisector of a common perpendicular of the two edges of the sealant.
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